<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>订单管理</el-breadcrumb-item>
      <el-breadcrumb-item>订单列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 搜索区域 -->
      <el-row>
        <el-col :span="8">
          <el-input placeholder="请输入内容">
            <el-button slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="orderList" stripe border>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="订单编号" prop="order_number"></el-table-column>
        <el-table-column label="是否付款" prop="pay_status">
          <template slot-scope="scope">
            <el-tag type="primary" v-if="scope.row.pay_status == 1"
              >已付款</el-tag
            >
            <el-tag type="danger" v-else>未付款</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="是否发货" prop="is_send">
          <template slot-scope="scope">{{ scope.row.is_send }}</template>
        </el-table-column>
        <el-table-column label="下单时间" prop="create_time">
          <template slot-scope="scope">
            {{ scope.row.create_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template>
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showAddressDialog"
            ></el-button>
            <el-button
              type="success"
              icon="el-icon-location"
              size="mini"
              @click="showProgressDialog"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页功能 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="5"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 修改地址的对话框 -->
    <el-dialog
      title="修改地址"
      :visible.sync="addressDialogVisible"
      width="50%"
      @close="addressDialogClosed"
    >
      <!-- 进行表单验证区域 -->
      <el-form
        :model="addressForm"
        :rules="addressRules"
        ref="addressFormRef"
        label-width="100px"
      >
        <el-form-item label="省市区/县" prop="address1">
          <el-cascader
            :options="cityData"
            :props="cascaderProps"
            v-model="addressForm.address1"
            @change="addressChanged"
            ref="cascaderRef"
            clearable
            change-on-select
          >
          </el-cascader>
        </el-form-item>
        <el-form-item label="详细地址" prop="address2">
          <el-input v-model="addressForm.address2"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addressDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addressDialogVisible = false"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 展示物流进度的对话框 -->
    <el-dialog title="物流进度" :visible.sync="progressVisible" width="50%">
      <!-- 物流进度 -->
      <el-timeline>
        <el-timeline-item
          v-for="(activity, index) in progressInfo"
          :key="index"
          :timestamp="activity.time"
        >
          {{ activity.context }}
        </el-timeline-item>
      </el-timeline>
      <span slot="footer" class="dialog-footer">
        <el-button @click="progressVisible = false">取 消</el-button>
        <el-button type="primary" @click="progressVisible = false"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
import cityData from './citydata'
export default {
  data() {
    return {
      // 订单数据列表的查询参数
      queryInfo: {
        // 查询参数
        query: '',
        // 当前页码
        pagenum: 1,
        // 每页显示条数
        pagesize: 5,
      },
      // 总数据条数
      total: 0,
      // 订单数据列表
      orderList: [],
      // 控制修改地址的对话框的显示与隐藏
      addressDialogVisible: false,
      // 修改地址的数据对象
      addressForm: {
        address1: '',
        address2: '',
      },
      addressRules: {
        address1: [
          { required: true, message: '请输入省市区县', trigger: 'blur' },
        ],
        address2: [
          { required: true, message: '请输入详细地址', trigger: 'blur' },
        ],
      },
      // 级联选择器的数据源
      cityData,
      // 指定级联选择器的配置对象
      cascaderProps: {
        expandTrigger: 'hover',
        checkStrictly: true,
      },
      // 控制展示物流进度的对话框的显示与隐藏
      progressVisible: false,
      // 物流进度的信息
      progressInfo: [],
    }
  },
  created() {
    this.getOrderList()
  },
  methods: {
    //   订单数据列表
    async getOrderList() {
      const { data: res } = await this.$http.get('orders', {
        params: this.queryInfo,
      })
      if (res.meta.status != 200) {
        this.$message.error('获取订单数据失败')
      }
      this.total = res.data.total
      this.orderList = res.data.goods
    },
    // 监听 pagesize 改变的事件，以改变显示的条数
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getOrderList()
    },
    // 监听 页码值 改变的事件，以改变显示的页码
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getOrderList()
    },
    // 对话框关闭之前清除残余的数据
    addressDialogClosed() {
      this.$refs.addressFormRef.resetFields()
      this.addressDialogVisible = false
    },
    // 显示修改地址的对话框
    showAddressDialog() {
      this.addressDialogVisible = true
    },
    // 级联选择框中的选择项发生变化触发这个函数,改变修改地址的表单数据对象的值
    addressChanged() {
      this.$refs.cascaderRef.dropDownVisible = false
    },
    // 显示展示物流进度的对话框
    async showProgressDialog() {
      // this.$http.get('/kuaidi/' + id)
      // 这里只是用来测试
      // 这里与订单号有关的后台的编写有问题
      const { data: res } = await this.$http.get('/kuaidi/804909574412544580')
      if (res.meta.status != 200) {
        this.$message.error('获取物流进度失败')
      }
      this.progressInfo = res.data
      this.progressVisible = true
    },
  },
}
</script>

<style lang="less" scoped>
@import '../../plugins/timeline/timeline.css';
@import '../../plugins/timeline-item/timeline-item(1).css';
.el-cascader {
  width: 100%;
}
</style>